TERMINALS OF ECU 1. CHECK AIR CONDITIONING AMPLIFIER ![]() (a) Disconnect the J19 air conditioning amplifier connector. (b) Measure the resistance and voltage according to the value(s) in the table below.
(c) Reconnect the J19 air conditioning amplifier connector. (d) Measure the voltage according to the value(s) in the table below.
2. CHECK AIR CONDITIONING CONTROL ASSEMBLY ![]() (a) Disconnect the J127 air conditioning control assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below.
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Toyota Tundra Service Manual > Navigation System: Microphone Circuit between Microphone and Navigation Receiver Assembly
DESCRIPTION This circuit sends a microphone signal from the telephone microphone assembly to the navigation receiver assembly. It also supplies power from the navigation receiver assembly to the telephone microphone assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIV ...